vitamine b12 injectable chien Vitamin Inj.5000ug 30ml bottle under the skin Fer Dextran + Vitamine B12

Certain medications may make it harder for your body to absorb B-12, including: Acid reflux and peptic ulcer disease medications, including: famotidine (Pepcid AC) lansoprazole (Prevacid) omeprazole (Prilosec) Metformin (Glucophage, Glumetza), a common type 2 diabetes treatment chloramphenicol, an antibiotic Very low levels of vitamin B-12 can result in serious complications, including anemia

People with pernicious anemia usually need lifelong monthly injections since their bodies can't absorb B12 from food

BMC Gastroenterol 4:12

And as you said, what is effective versus symptoms is most important at the end of the day